#region Information
// 
// KudyStudio DotNet Library
//
// Copyright (C) 2005-2011 Kudy Studio <kudychen@gmail.com> All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, 
// are permitted provided that the following conditions are met:
// 
// 1) Redistributions of source code must retain the above copyright notice, this 
//    list of conditions and the following disclaimer. 
// 
// 2) Redistributions in binary form must reproduce the above copyright notice, this 
//    list of conditions and the following disclaimer in the documentation and/or 
//    other materials provided with the distribution. 
// 
// 3) Neither the name of Kudy Studio nor the names of its contributors may be 
//    used to endorse or promote products derived from this software without specific 
//    prior written permission. 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
// SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 
// DAMAGE.
// 
#endregion

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Net;

using LongNet.Util;

namespace LongNet.Config
{
    /// <summary>
    /// Represents a configuration element that contains a Memcached node address. 
    /// This class cannot be inherited. 
    /// </summary>
    public sealed class MemcachedServerElement
    {
        #region Constants

        internal const string LocalName = "server";

        internal static class PropertyName
        {
            internal const string Address = "address";
            internal const string Port = "port";
        }

        #endregion

        #region Fields

        private int port = 11211;
        private string address = string.Empty;
        private IPEndPoint endpoint = null;

        #endregion

        #region Constructors

        internal MemcachedServerElement()
        {
        }

        internal MemcachedServerElement(string address, int port)
        {
            this.Address = address;
            this.Port = port;
            this.endpoint = new IPEndPoint(IPAddress.Parse(address), port);
        }

        #endregion

        #region Setting Properties

        /// <summary>
        /// Gets the Address of the server configuration.
        /// The value is <c>string.Empty</c> by default.
        /// </summary>
        public string Address
        {
            get { return this.address; }
            internal set
            {
                if (string.IsNullOrEmpty(value))
                    throw new ArgumentException("Address is null or empty", "Address");

                this.address = value;
            }
        }

        /// <summary>
        /// Gets the Port of the server configuration.
        /// The value is <c>11211</c> by default and must in range [0,65535].
        /// </summary>
        public int Port
        {
            get { return this.port; }
            internal set
            {
                if (value < 0 || value > 65535)
                    throw new ArgumentOutOfRangeException("Port", "Port must in range [0,65535].");

                this.port = value;
            }
        }

        /// <summary>
        /// Gets the <see cref="IPEndPoint"/> representation of this instance.
        /// </summary>
        public IPEndPoint EndPoint
        {
            get { return (this.endpoint ?? (this.endpoint = new IPEndPoint(IPAddress.Parse(this.address), this.Port))); }
        }

        #endregion
    }
}
